Finding the Fourth Proportional to 3,826,689,643.42, 5,280,831,664.04 and 2,066,557,051.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,826,689,643.42 : 5,280,831,664.04 = 2,066,557,051.42 : x
2. Step 2: Convert to fraction form
   3,826,689,643.42/5,280,831,664.04 = 2,066,557,051.42/x
3. Step 3: Cross multiply
   3,826,689,643.42x = 5,280,831,664.04 × 2,066,557,051.42
4. Step 4: Simplify right side
   3,826,689,643.42x = 10,913,139,912,676,573,184
5. Step 5: Solve for x
   x = 10,913,139,912,676,573,184/3,826,689,643.42
6. Step 6: Final answer
   x = 2,851,848,707.26